Home / 124,217.12-186,328.76-45,331.32

Finding the Fourth Proportional to 124,217.12, 186,328.76 and 45,331.32

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Solution

The fourth proportional to 124,217.12, 186,328.76 and 45,331.32 is: 67,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,217.12 : 186,328.76 = 45,331.32 : x
  2. Step 2: Convert to fraction form
    124,217.12/186,328.76 = 45,331.32/x
  3. Step 3: Cross multiply
    124,217.12x = 186,328.76 × 45,331.32
  4. Step 4: Simplify right side
    124,217.12x = 8,446,528,644.76
  5. Step 5: Solve for x
    x = 8,446,528,644.76/124,217.12
  6. Step 6: Final answer
    x = 67,998.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.